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Heidi has briefed and advised top-level policy-makers and government officials around the world on key issues from her research, including platform governance, hate speech, disinformation, and strengthening democracy.

“Effective Government Communications,” International Civil Servant Network (with Minister Audrey Tang), Centre for International Governance Innovation (February 23, 2021).


“How Do We Balance Privatized and Public Adjudication of Online Content?” Roundtable Discussion on Digital Platform Governance, Centre for International Governance Innovation and Centre for Media, Technology, and Democracy, attended by multiple Canadian government ministers and civil servants (December 7, 2020).

"Social Media Councils and e-Courts," Canadian Commission on Democratic Expression (November 12, 2020)


“Policy Options to Combat Online Harms,” Canadian Commission on Democratic Expression (October 29, 2020).

“Online Harms and Illegal Content,” Deputy Ministers Conference, Canada (September 14, 2020).

Witness, “Online Disinformation,” Informal Meeting of 27 European Union Justice Ministers (July 6, 2020).

Witness, Hearing on Online Hate, Meeting 152, Standing Committee on Justice and Human Rights (JUST), Canadian Parliament (May 30, 2019). Audio link.

Witness, International Grand Committee on Big Data, Privacy and Democracy, convened by the Standing Committee on Access to Information, Privacy and Ethics (ETHI), Canadian Parliament (May 27, 2019). Video link.

“Poisoning Democracy: How Canada Can Address Harmful Speech Online,” (presented with Fenwick McKelvey and Chris Tenove), CRTC (Canada Radio-Television and Telecommunications Commission) Strategic Planning & Research Group, Ottawa, January 2019.

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